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Abstract

Determination of Differences Among Some Corn Cultivars Grown in Turkey by Discriminant and Cluster AnalysisSuitable corn cultivars are among the most important components to increase corn yield. The importance of com in Turkey has been increasing steadily to meet demand for animal feed and oil. The conventional (univariate) statistical models analyse each trait one by one. However, it is possible thal all variables can be analyzed by multivariate methods to get better results. In order to analyze com data by multivariate fashion. 27 com cultivars (single hybrid) were tested in three locations (Samsun, Bafra and Amasya) in a "randomized complete block design” in 2001 and 2002. Grain yield, kernel to ear ratio, ear height, plant height and days to tasselling were recorded in the experiments. Location and years effects were ignored in discriminant analysis. The distances between cultivars (D2) were estimated. D2 showed that LG. 55 and LG.60 were the most similar cultivars and Vero and C.6127 were the most different cultivars from each other. In order to visualize the distances among cultivars, Canonicals 1, 2 and 3 were examined. Yield and ear height were the traits to differentiate cultivars in all 3 canonicals. Plant height and days to tasselling were found inefficient to differentiate cultivais. Cluster analysis use only means of traits, therefore experimental error cannot be estimated. However, dendogram by cluster is more attractive for readers than graph from discriminant analysis. The coefficients estimated for yield in discriminant analysis imply that efficient selection for yield is still possible.

Keywordshiybrid corn anova discriminant cluster

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Journal of Agricultural Faculty is scientific, peer reviewed journal and belonged to the Gaziosmanpasa University Faculty of Agriculture since 1985. Journal of Agricultural Faculty of Gaziosmanpasa University aims to publish the national and international scientific paper on agriculture sciences (agricultural economics, animal science, biosystems engineering, field crops, fisheries engineering, horticulture, plant protection, soil science and plant nutrition). The journal is published the third issues in a year from 2014.

Journal of Agricultural Faculty of Gaziosmanpasa University (JAFAG)

Journal of Agricultural Faculty of Gaziosmanpasa University (JAFAG) is an international peer-reviewed journal and belonged to the Gaziosmanpasa University Faculty of Agriculture since 1985.

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The journal has both online and printed publishing.

The journal has a manuscript submisson system.

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[JAFAG] New Issue Published JAFAG, 34 (3)

Journal of Agricultural Faculty of Gaziosmanpasa University, JAFAG has just published its latest issue (Vol 34, No 3, 2017, JAFAG) at http://ziraatdergi.gop.edu.tr.